FAMILY MNIOTILTID^E. WARBLERS. 



289 



Crown, greenish blue ; wing coverts, edged with white; back, greenish blue, 

 without streaks; under tail coverts, whitish; uuderparts, tinged with pale 

 yellow . 



Cerulean Warbler. 



Dendroica ccerulea (female and immature'). 

 See No. 501. 



Part 4. The following species have the throat, breast, and belly, yeJlow, 

 without streaks, and no white on the tail feathers : 



Crown, slate color, with patch of chestnut (male), 

 or crown, olive gray (female) ; rump and upper 

 tail coverts, yellowish green ; auricular region 

 (sides of head), grayish; under tail coverts, 

 yellow. 



Nashville Warbler. 

 Helm hithophila ruficap'lla . 

 See No. 491. 



Underparts, faintly washed with yellow, or yellowish white ; crown, grayish 

 olive; back and rump, olive green; under tail coverts, white; no yellow 

 on tail feathers. 



Tennessee Warbler. 



Helminthophila peregrina (female in fall). 

 See No. 493. 



Crown, back, and rump, yellowish green; major part of inner webs of tail 

 feathers, yellow. 



Summer Warbler. 

 Yellow Warbler. 



Dendroica wstiva (female). 

 See No. 496. 



Sides of head, yellowish ; crown, glossy black 

 (male) ; crown, bright olive green, like back 

 (female); back and rump, bright olive green; 



under tail coverts, yellow. 



Wilson's Warbler. 



Sylvania pusilla. 

 See No. 526. 



Crown, grayish ; back and rump, dull olive green ; entire underparts, yel- 

 low, palest on throat; no yellow on tail feathers; chin, not whitish; no buft- 

 white stripe over eye. 



Mourning Warbler. 



Geothlypis Philadelphia (young female) . 

 See No. 521. 



